$145+ Cheap flights from Kailua-Kona to Ontario (KOA - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — ONT
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Kailua-Kona to OntarioExplore the most affordable flight options available from Kailua-Kona to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from Kailua-Kona to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:55 pm
KOA
- ONT
1 stop11h 19m
Delta
Tue 9/226:20 am
ONT
- KOA
1 stop14h 11m
Delta
Deal found 7/22![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 pm
KOA
- ONT
2 stops16h 40m
Delta
Tue 9/226:20 am
ONT
- KOA
1 stop14h 11m
Delta
Deal found 7/22![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:04 pm
KOA
- ONT
1 stop7h 55m
United Airlines
Tue 9/86:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Deal found 7/21![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:55 pm
KOA
- ONT
2 stops23h 52m
Delta
Tue 9/226:20 am
ONT
- KOA
1 stop14h 11m
Delta
Deal found 7/22![Delta logo]()
$376
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:55 pm
KOA
- ONT
1 stop11h 19m
Delta
Tue 9/226:20 am
ONT
- KOA
1 stop14h 11m
Delta
Deal found 7/22![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:50 pm
KOA
- ONT
1 stop10h 22m
United Airlines
Wed 9/21:56 pm
ONT
- KOA
1 stop8h 39m
United Airlines
Deal found 7/22![United Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:19 pm
KOA
- ONT
1 stop10h 45m
Multiple Airlines
Tue 8/259:31 am
ONT
- KOA
1 stop10h 42m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$406
This Booking.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:41 am
KOA
- ONT
1 stop9h 13m
Alaska Airlines
Tue 10/1311:13 am
ONT
- KOA
1 stop12h 52m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$410
This Booking.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:48 am
KOA
- ONT
1 stop8h 41m
Multiple Airlines
Tue 10/1311:13 am
ONT
- KOA
1 stop12h 52m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:03 am
KOA
- ONT
1 stop12h 08m
Alaska Airlines
Mon 8/2412:00 pm
ONT
- KOA
1 stop10h 25m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$427
Best flights from Kailua-Kona to OntarioDiscover carefully curated flight deals from Kailua-Kona to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from Kailua-Kona to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:55 pm
KOA
- ONT
2 stops12h 19m
Delta
Tue 9/226:20 am
ONT
- KOA
1 stop14h 11m
Delta
Deal found 7/22![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:50 pm
KOA
- ONT
1 stop10h 22m
United Airlines
Wed 9/21:56 pm
ONT
- KOA
1 stop8h 39m
United Airlines
Deal found 7/22![United Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:38 pm
KOA
- ONT
1 stop19h 38m
Alaska Airlines
Wed 9/2312:12 pm
ONT
- KOA
1 stop10h 15m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:18 pm
KOA
- ONT
1 stop7h 14m
Multiple Airlines
Thu 11/512:00 pm
ONT
- KOA
1 stop12h 44m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:55 pm
KOA
- ONT
2 stops23h 52m
Delta
Tue 9/226:20 am
ONT
- KOA
1 stop14h 11m
Delta
Deal found 7/22![Delta logo]()
$376
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:55 pm
KOA
- ONT
1 stop11h 19m
Delta
Tue 9/226:20 am
ONT
- KOA
1 stop14h 11m
Delta
Deal found 7/22![Delta logo]()
$378
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:04 pm
KOA
- ONT
1 stop7h 55m
United Airlines
Sun 8/231:56 pm
ONT
- KOA
1 stop8h 39m
United Airlines
Deal found 7/20![United Airlines logo]()
$454
This Booking.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:45 pm
KOA
- ONT
1 stop22h 25m
Multiple Airlines
Tue 10/62:13 pm
ONT
- KOA
2 stops19h 33m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:45 pm
KOA
- ONT
1 stop25h 25m
Multiple Airlines
Wed 9/2312:12 pm
ONT
- KOA
2 stops22h 33m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:05 pm
KOA
- ONT
2 stops15h 19m
Delta
Wed 8/266:20 am
ONT
- KOA
1 stop14h 15m
Delta
Deal found 7/19![Delta logo]()
$450
Last-minute flights from Kailua-Kona to OntarioDiscover last-minute flight deals from Kailua-Kona to Ontario. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to Ontario. Data last updated July 23, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:19 pm
KOA
- ONT
1 stop10h 55m
Alaska Airlines
Wed 8/122:05 pm
ONT
- KOA
1 stop11h 05m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:50 pm
KOA
- ONT
1 stop10h 22m
United Airlines
Wed 8/266:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Deal found 7/19![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:05 pm
KOA
- ONT
2 stops15h 19m
Delta
Wed 8/266:20 am
ONT
- KOA
1 stop14h 15m
Delta
Deal found 7/19![Delta logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:19 pm
KOA
- ONT
1 stop10h 45m
Multiple Airlines
Tue 8/259:31 am
ONT
- KOA
1 stop10h 42m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:03 am
KOA
- ONT
1 stop12h 08m
Alaska Airlines
Mon 8/2412:00 pm
ONT
- KOA
1 stop10h 25m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:04 pm
KOA
- ONT
1 stop7h 55m
United Airlines
Sun 8/231:56 pm
ONT
- KOA
1 stop8h 39m
United Airlines
Deal found 7/20![United Airlines logo]()
$454
This Priceline deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:25 pm
KOA
- ONT
1 stop9h 39m
Alaska Airlines
Thu 8/276:02 am
ONT
- KOA
1 stop10h 22m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:50 pm
KOA
- ONT
1 stop10h 22m
United Airlines
Fri 8/281:56 pm
ONT
- KOA
1 stop8h 39m
United Airlines
Deal found 7/21![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:35 pm
KOA
- ONT
2 stops10h 45m
Southwest
Fri 8/288:00 am
ONT
- KOA
1 stop9h 10m
Southwest
Deal found 7/21![Southwest logo]()
$523
This Booking.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:25 pm
KOA
- ONT
1 stop9h 39m
Multiple Airlines
Mon 9/216:14 pm
ONT
- KOA
1 stop19h 52m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$513
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:50 pm
KOA
- ONT
1 stop10h 22m
United Airlines
Wed 9/21:56 pm
ONT
- KOA
1 stop8h 39m
United Airlines
Deal found 7/22![United Airlines logo]()
$400
One-way flights from Kailua-Kona to OntarioSearch for one-way flight options from Kailua-Kona to Ontario. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from Kailua-Kona to Ontario. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:55 pm
KOA
- ONT
1 stop11h 19m
Delta
Deal found 7/21![Delta logo]()
$145
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am
KOA
- ONT
1 stop9h 10m
Southwest
Deal found 7/20![Southwest logo]()
$168
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:42 pm
KOA
- ONT
1 stop11h 34m
Delta
Deal found 7/20![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:55 pm
KOA
- ONT
2 stops12h 19m
Delta
Deal found 7/20![Delta logo]()
$178
This Priceline deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:18 am
KOA
- ONT
1 stop10h 52m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$191
This Mytrip deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:21 pm
KOA
- ONT
1 stop18h 30m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$195
This Trip.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:25 pm
KOA
- ONT
1 stop9h 39m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:50 pm
KOA
- ONT
1 stop10h 22m
United Airlines
Deal found 7/22![United Airlines logo]()
$200
This Booking.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/149:48 am
KOA
- ONT
1 stop9h 40m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$201
This Priceline deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:25 pm
KOA
- ONT
1 stop9h 51m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$205
This Priceline deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:15 pm
KOA
- ONT
1 stop23h 55m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$207
This flugladen.de deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:34 am
KOA
- ONT
1 stop7h 36m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$213
Find flight deals from Kailua-Kona to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (Delta) |
One-way from | $145 (Delta) |
Popular in | June |
Cheapest in | February |
Average price | $484 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kailua-Kona to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Wed 9/16
8:55 pm-12:14 pm
2 stops12h 19m
Ontario
Tue 9/22
6:20 am-5:31 pm
1 stop14h 11m
$316
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Thu 9/17
8:55 pm-11:47 pm
2 stops23h 52m
Ontario
Tue 9/22
6:20 am-5:31 pm
1 stop14h 11m
$376
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Sun 9/20
8:55 pm-11:14 am
1 stop11h 19m
Ontario
Tue 9/22
6:20 am-5:31 pm
1 stop14h 11m
$378
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Thu 8/27
10:50 pm-12:12 pm
1 stop10h 22m
Ontario
Wed 9/2
1:56 pm-7:35 pm
1 stop8h 39m
$400
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Wed 8/12
10:05 pm-4:24 pm
2 stops15h 19m
Ontario
Wed 8/26
6:20 am-5:35 pm
1 stop14h 15m
$450
Quickest round-trip
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Thu 8/20
12:04 pm-10:59 pm
1 stop7h 55m
Ontario
Sun 8/23
1:56 pm-7:35 pm
1 stop8h 39m
$454
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Mon 9/14
12:38 pm-11:16 am
1 stop19h 38m
Ontario
Wed 9/23
12:12 pm-7:27 pm
1 stop10h 15m
$464
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Tue 11/3
12:18 pm-9:32 pm
1 stop7h 14m
Ontario
Thu 11/5
12:00 pm-10:44 pm
1 stop12h 44m
$473
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Tue 9/29
8:45 pm-10:10 pm
1 stop22h 25m
Ontario
Tue 10/6
2:13 pm-6:46 am
2 stops19h 33m
$488
Kailua-KonaOntario
KOA - ONT
KOAONT
Kona Intl
Mon 9/14
5:45 pm-10:10 pm
1 stop25h 25m
Ontario
Wed 9/23
12:12 pm-7:45 am
2 stops22h 33m
$490
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Kailua-Kona to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kailua-Kona to Ontario in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kailua-Kona-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kailua-Kona-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Kailua-Kona to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Kailua-Kona with our price prediction graph.
KOA-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
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